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January 7, 2022

Grayling Generating Station, US

By Carmen

Grayling Generating Station is a 36.2MW biopower project. It is located in Michigan, the US. The project is currently active. It has been developed in single phase. Post completion of construction, the project got commissioned in June 1992.

Project Type Total Capacity (MW) Active Capacity (MW) Pipeline Capacity (MW) Project Status Project Location Project Developer
Biopower 36.2 36.2 Active Michigan, the US Atlantic Power; CMS Enterprises; Fortistar


The project is developed and owned by Atlantic Power, CMS Enterprises and Fortistar. The company’s ownership stake in the project stands as 50%, 30% and 20% respectively.

The project generates 300GWh of electricity.

Agricultural by-product and wood by-product are used as a feedstock to power the project.

Development Status

The project got commissioned in June 1992.

Power Purchase Agreement

The power generated from the project is sold to Consumers Energy under a power purchase agreement.

Contractors Involved

ABB Kraftwerke was selected as the steam turbine supplier for the project.

Zurn supplied steam boiler for the project. The temperature witnessed inside the boiler is around 950Degree Fahrenheit. The steam is pressurized inside the boiler at 1,250psig.

About Atlantic Power

Atlantic Power Corp (Atlantic Power) is a power producer that owns power generation assets. The company’s projects are classified and based on dispatching profile, fuel type, geography, offtaker, sell electricity to utilities, and other large customers predominantly under long-term power purchase agreements (PPAs). It also produces electricity from various renewable energy sources including biomass, coal, wind, geothermal and waste fuels sources. The company has its manufacturing facilities in Canada and the US. It has interests in various power generation projects across Canada, East US, and West US. Atlantic Power is headquartered in Dedham, Massachusetts, the US.

About CMS Enterprises

CMS Enterprises Co (CMS), a subsidiary of CMS Energy Corp, is a power corporation that owns and operates independent power generating plants and natural gas assets in the US. The corporation operates with power generation plants such as Genesee Power Station, Filer City Station, Grayling Generating Station, Kalamazoo River Generating Station, Dearborn Industrial Generation, Craven County Wood Energy, and Livingston Generating Station. Its filer city station utilizes coal plus paper mill wood waste and shredded tires to produce power. CMS also provides power purchase agreement with consumers energy company. The corporation also operates as non-utility business of CMS Energy. CMS is headquartered in Jackson, Michigan, the US.

About Fortistar

Fortistar LLC (Fortistar) operates as a renewable energy company that offers biomass fuel and methane processing and distribution services. The company operates through methane group, cogeneration group, and biomass group. Its methane group uses greenhouse gas to produce base load energy. Fortistar’ biomass group eliminates wood waste while producing base load energy. The company produces methane from decomposition of garbage in landfills and also produces biomass fuel by decomposition of waste materials such as landfill gas, wood, and other organic materials. It offers biomass facilities throughout the US and Canada. Fortistar is headquartered in White Plains, New York, the US.


All power projects included in this report are drawn from GlobalData’s Power Intelligence Center. The information regarding the project parameters is sourced through secondary information sources such as electric utilities, equipment manufacturers, developers, project proponent’s – news, deals and financial reporting, regulatory body, associations, government planning reports and publications. Wherever needed the information is further validated through primary from various stakeholders across the power value chain and professionals from leading players within the power sector.

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